Quick tutorial on HOW TO IDENTIFY your filter cartridge by measuring or by product number. These two methods can help you to easily find a replacement filter cartridge for your pool or spa regardless of manufacturer, make or type of pool or spa.
Requirements for safe water.
Basic water chemistry & controls
A short video that describes basic water chemistry and the controls required for safe water.
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Diameter 4 3/4 " 2 3/4 " 2 7/8 " 3 1/16 " 3 1/8 " 3 1/4 " 3 3/8 " 3 1/2 " 3 7/8 " 4 3/16 " 4 1/4 " 4 3/8 " 4 1/2 " 4 3/4 " 4 5/8 " 4 3/4 " 4 15/16 " 5 " 5 1/16 " 5 1/8 " 5 3/16 " 5 1/4 " 5 5/16 " 5 3/8 " 5 1/2 " 5 5/8 " 5 11/16 " 5 3/4 " 5 7/8 " 5 15/16 " 6 " 6 1/16 " 6 1/4 " 6 3/8 " 6 1/2 " 6 9/16 " 6 5/8 " 6 3/4 " 7 " 7 1/16 " 7 1/8 " 7 1/4 " 7 1/2 " 7 9/16 " 7 3/4 " 7 7/8 " 8 " 8 1/4 " 8 1/2 " 8 11/16 " 8 7/8 " 8 15/16 " 9 3/4 " 10 " 10 1/16 " 11 " 16 5/8 " Length
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